Building board-up definition
Building board-up means the act of using plywood or other approved materials to close any openings in the exterior walls of a vacant, uninhabitable or unoccupiable structure to a height not less than eight (8) feet above the directly adjacent grade. In the event "building board-up" is used to form the exterior walls of an incomplete structure, the design and placement of the materials used shall be specified by an engineer licensed by the State of Missouri who shall provide a sealed plan for the work prior to its commencement. The materials used for the "building board-up" shall be of an approved color.